How to prune rhododendron 'cunningham's white'

Immediately after flowering (late spring to early summer). Remove spent trusses by hand. Cut back wayward shoots to just above a healthy leaf whorl or side bud. Avoid autumn or winter pruning, which removes forming flower buds.

Annually for deadheading; shaping only every few years if needed. Rhododendron 'Cunningham's White' is a hardy, naturally well-branched shrub needing only light maintenance pruning. Deadhead spent trusses immediately after flowering to encourage next year's blooms. Remove dead or crowded stems as needed. Prune for shape straight after bloom — cutting into old wood in autumn will sacrifice flower buds already forming.

Remove spent trusses by hand. Cut back wayward shoots to just above a healthy leaf whorl or side bud. Avoid autumn or winter pruning, which removes forming flower buds.